求语法填空 解释为什么填这个答案,

求语法填空 解释为什么填这个答案,
1.Employees are not allowed (make) （to make） personal phone calls in the office.
应该填 to make,也就是用不定式.这里就是allow sb to do sth结构,只不过是被动语态罢了.
2.The shop assistant priced the goods before (put) （putting） them on the shelf.
before 介词 介词后面用动名词作介词宾语 putting
3.The purpose of new technology is to make life (easy) （easier）,not to make it more difficult.
4.The proposal about the annual sales (discuss) （will be discussed）at the next board meeting.
5.Since we work in different sections of the company,we see each other only (occasional)
（occasionally）.
6.Some domestic manufacturers are busy increasing production,losing the chance to develop more(advance) （advantage） technology.
7.I shall appreciate your effort in (correct) （correcting）this error in my bank account as soon as possible.
8.If your neighbors are too noisy,then you have a good reason to make your (complain)（camplaint）.
9.30 percent of the students who (interview) （were interviewed）yesterday believe they should continue with their education until they have a university degree.
10.Measures should be taken to avoid the negative effect ( bring) （bringing）about by unfair competition